WM

William De Abreu Macedo

PT Praxair Technology: 2 patents #335 of 918Top 40%
Overall (All Time): #2,215,455 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6410885 MIG brazing power source Joao Vinicius De Oliveira Correia, Giancarlo Riccardo Cavalli 2002-06-25
6111219 Shielding gas mixture for gas-metal arc welding Ricardo Torres 2000-08-29